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Additional Safety Notices
The following general safety precautions
must be observed during all phases of oper-
ation of this instrument. Failure to comply
with these precautions or with specific
warnings or instructions elsewhere in this
manual violates safety standards of design,
manufacture, and intended use of the
instrument. Agilent Technologies assumes
no liability of the customer’s failure to com-
ply with the requirements.
General
Do not use this products in any manner not
specified by the manufacturer. The protec-
tive features of this product may be
impaired if it is used in a manner not speci-
fied in the operation instructions.
Before Applying Power
Verify that all safety precautions are taken.
Make all connections to the unit before
applying power.
Ground the Instrument
This product is provided with protective
earth terminals. To minimize shock hazard,
the instrument must be connected to the
ac power mains through a grounded power
cable, with the ground wire firmly con-
nected to an electrical ground (safety
ground) at the power outlet. Any interrup-
tion of the protective (grounding) conduc-
tor or disconnection of the protective earth
terminal will cause a potential shock haz-
ard that could result in personal injury.
Do Not Operate in an Explosive
Atmosphere
Do not operate the instrument in the pres-
ence of flammable gases or fumes.
Do Not Remove the Instrument
Cover
Only qualified, service-trained personal
who are aware of the hazards involved
should remove instrument covers. Always
disconnect the power cable and any exter-
nal circuits before removing the instrument
cover.
Do Not Modify the Instrument
Do not install substitute parts or perform
any unauthorized modification to the prod-
uct. Return the product to an Agilent Sales
and Service Office for service and repair to
ensure that safety features are maintained.
In Case of Damage
Instruments that appear damaged or defec-
tive should be made inoperative and
secured against unintended operation until
they can be repaired by qualified service
personnel.
Safety Symbols
Waste Electrical and Electronic
Equipment (WEEE) Directive
2002/96/EC
This product complies with the WEEE
Directive (2002/96/EC) marking require-
ment. The affixed product label (see above)
indicates that you must not discard this
electrical/electronic product in domestic
household waste.
Product Category: With reference to the
equipment types in the WEEE directive
Annex 1, this product is classified as a
“Monitoring and Control instrumentation”
product.
To return unwanted products, contact
your local Agilent office, or go to
www.agilent.com/environment/product
for more information.
Technical Support
If you have questions about your shipment,
or if you need information about warranty,
service, or technical support, contact
Agilent Technologies:
In the United States: (800) 829-4444
In Europe: 31 20 547 2111
In Japan: 0120-421-345
Or go to www.agilent.com/find/assist
for information on contacting Agilent in
your country of specific location. You can
also contact your Agilent Technologies
Representative.
Alternating current
Frame or chassis
terminal
Standby supply. Unit is
not completely
disconnected from ac
mains when switch is off
Caution, risk of electric
shock
Caution, refer to
accompanying description
Agilent 34937A-34939A General Purpose Switch Modules User’s Guide iii